Convert mv4 to fodt

What is the difference between .mv4 and .fodt?

Description: M4V is a video container that stores audio and video data used for iTunes files. Files of this type may be protected from illegal viewing and copying with Apple FairPlay DRM. In this case audio or video files should be bought in iTunes store. Not protected files can be viewed almost in any modern player because the format is based on MPEG-4 structure.; FODT (Flat XML ODF Text Document) is a file type used for documents created in OpenDocument text editors, such as LibreOffice Writer. FODT files are based on the OASIS Open Document Format (ODF) and store text-based documents that also contain formatting and layout information. They can be opened in compatible text editors and other programs, such as Microsoft Word.